大学英语考试复习资料大学四级模拟604.docx

1、大学英语考试复习资料大学四级模拟604 大学英语考试复习资料大学四级模拟604大学四级模拟604Part WritingDirections: For this part, you are allowed 30 minutes to write a short essay entitled Lead a Low-Carbon Life. You should write at least 120 words following the outline given below:问题:1. 1.越来越多的人采用“低碳”的方式生活 2.低碳生活有很多益处 3.低碳生活，我们应该 Lead a Low

2、-Carbon Life 答案:Lead a Low-Carbon Life With the environmental problems on our planet going from bad to worse, reducing carbon emission has become everyones responsibility. More and more celebrities and ordinary people have embraced the low-carbon lifestyle by paying close attention to carbon emissio

3、n from daily life. Low-carbon life refers to a kind of lifestyle with low energy consumption and carbon emissions. For one thing, it is significant in saving natural resources and energy such as forests, water and oil. For another, it can protect our environment by emitting less green house gases. T

4、o lead a low-carbon life, we have a long way to go to bridge the gap between recognition and practices. For recognition, we need to pick up our long-standing Chinese tradition of frugality. And for practice, turning to public transit system for transportation is an advisable step. Leading a low-carb

5、on life is anything but easy, nevertheless, everybody should do something for the earth we live in.from bad to worse 越来越糟，每况愈下 embrace.lifestyle 采取生活方式 low energy consumption and carbon emissions 低能耗和低碳排放 列举益处 green house gases 湿室气体 a long way to go 任重道远 anything but easy 绝非易事 nevertheless然而，不过 Part

6、 Reading Comprehension (Skimming and Scanning)Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1. For questions 1-7, choose the best answer from the four choices marked A) , B) , C) and D) . For questions 8-10, complete the se

7、ntences with the information given in the passage. The Kids Cant Help It They say you never escape high school. And for better or worse, science is lending some credibility to that old saw. Thanks to sophisticated imaging technology and a number of longitudinal (纵向的) studies, were learning that the

8、teen years are a period of crucial brain development subject to a host of environmental and genetic factors. This emerging research sheds light not only on why teenagers act the way they do, but how the experiences of adolescencefrom rejection to binge drinking (酗酒)can affect who we become as adults

9、, how we handle stress, and the way we bond with others. One of the most important discoveries in this area of study, says Dr. Frances Jensen, a neuroscientist at Harvard, is that our brains are not finished maturing by adolescence, as was previously thought. Adolescent brains are only about 80 perc

10、ent of the way to maturity, she said at the annual meeting of the Society for Neuroscience in November. It takes until the mid-20s, and possibly later, for a brain to become fully developed. An excess of gray matter (the stuff that does the processing) at the beginning of adolescence makes us partic

11、ularly brilliant at learningthe reason were so good at picking up new languages starting in early childhoodbut also particularly sensitive to the influences of our environment, both emotional and physical. Our brains processing centers havent been fully linked yet, particularly the parts responsible

12、 for helping to check out impulses and considering the long-term results of our actions. Its like a brain thats all cheered up not knowing where it needs to go, says Jensen. Its partially because of this developmental timeline that a teen can be so quick to think of a stinging remark, or a biting in

13、sult, and so uninhibited in firing it off at the nearest unfortunate targeta former friend, perhaps, or a bewildered parent. The impulse to hurl an insult is there, just as it may be for an adult in a stressful situation, but the brain regions that an adult might rely on to stop himself from saying

14、something cruel just havent caught up. In a paper published last year in the Journal of the American Academy of Child 答案:D解析 根据题干关键词imaging technology，studies定位到第一段第三句：Thanks to sophisticated imaging technology and a number of longitudinal studies, were learning that the teen years are a period of c

15、rucial brain development subject to a host of environmental and genetic factors.可知，通过复杂的成像技术以及许多纵向的研究，我们得知青少年时期是一个关键的大脑发育阶段，它会受到许多环境和基因因素的影响。故选D)项。2. What does Dr. Frances Jensen say about adolescent brains?A.They experience temporary suspension of maturing.B.They are fully developed as adult brains

16、.C.They are about 80% of the way to maturity.D.They can be easily affected by the environment.答案:C解析 根据题干关键词Dr. Frances Jensen，adolescent brains定位到第二段第二句：Adolescent brains “are only about 80 percent of the way to maturity”，可知，Dr. Frances Jensen说，青少年的大脑“只达到了80%的成熟度”。故选C)项。3. Why cant adolescents stop

17、 themselves from saying something cruel?A.They received insufficient education.B.The brain regions that prevent them have not caught up.C.They regard yelling a good way to let off anger.D.Teens can be so quick to think of a stinging remark.答案:B解析 根据题干关键词stop，something cruel定位到第四段第二句：The impulse to h

18、url an insult is there, just as it may be for an adult in a stressful situation, but the brain regions that an adult might rely on to stop himself from saying something cruel just havent caught up.可知，青少年也有想要说侮辱的话冲动，正如在紧张的形势下成人也会有的一样，但是像成人所依赖的可能阻止他说出残忍话语的大脑区域还没有形成。故选B)项。4. How does the gray-matter de

19、velop, according to Dr. Jay Giedd?A.Its volume continuously declines around or before the beginning of puberty.B.It increases right up to puberty, and continues beyond the end of puberty.C.It reaches the highest point around or just before the beginning of puberty.D.Its volume increases before puber

20、ty and declines in the middle of puberty.答案:C解析 根据题干关键词gray-matter，Dr. Jay Giedd定位到第五段第一句：Dr.Jay Giedd，wrote that, according to brain scans conducted over several years, gray-matter volume peaks around or just before the beginning of puberty。可知，Dr. Jay Giedd写到，根据几年内所进行的大脑扫描，灰白质的数量在青春期开始前后或就在青春期开始前达到

21、顶峰。故选C)项。5. Jensen said that the maturation of connection follows the sequence of _.A.from the back of the brain to the front of the brainB.happening to all parts of the brain at the same timeC.from the frontal lobe to the back lobe of the brainD.from the gray matter to the white matter in the brain

22、答案:A解析 根据题干关键词Jensen，maturation，sequence定位到第六段第二句：“The order in which this maturation of connection goes, is from the back of the brain to the front of the brain,”says Jensen. 可知，Jensen说：“这种成熟连接的顺序是从大脑的后部到大脑的前部。”故选A)项。题干中的sequence是原文中order的同义替换。6. What activity will the frontal lobe make us engage i

23、n?A.Making reasonable decisions when facing choices.B.Arranging our time with any sort of efficiency.C.Taking risky behaviors like drinking and driving.D.Getting into fights when we involve in arguments.答案:B解析 根据题干关键词the frontal lobe，make us定位到第八段第一句：Its thanks in part to the frontal lobe that we ar

24、e able to schedule our time with any sort of efficiency，可知，这在部分程度上是因为前叶我们才能以任何形式的效率安排我们的时间。故选B)项。7. According to Dr. Mitch Prinsteins explanation, what is extremely different before kids turn to adolescence?A.More independence from parents and strong capability.B.Their friends as their first sources

25、 of social support.C.Their confidence in their friends and family members.D.Their interactions with one another and their friendships.答案:C解析 根据题干关键词Dr. Mitch Prinstein定位到第十段第一句：“Before the transition to adolescence, kids interactions with one another, and the kinds of friendships that they have, are

26、 substantially different, After adolescence they can really confide in friends, they turn to them as first sources of social support.”可知，Dr. Mitch Prinstein解释道：“在转变到青少年之前，孩子和其他人的交流，以及他们所拥有的友情类别是非常不同的在进入青春期后他们可能非常依赖朋友，把朋友作为社会支持的第一来源。”故选C)项。题干中的turn是原文transition的同意替换。问题:8. The recent research indicate

27、s that some of the adolescents health-risk behaviors may cause _.答案: surprising lifelong consequences解析 根据题干关键词the recent research，some of，behaviors定位到第十三段第一句：And，the latest research shows that some of these risky behaviors may have surprising lifelong consequences.可知，最新的研究显示，这些有(健康)风险的行为中，有的可能会有令人吃

28、惊的、持续一生的后果。故填surprising lifelong consequences。问题:9. A Harvard study found that kids who smoked pot earlier had difficulty in making _ when directions changed.答案:quick responses解析 根据题干关键词smoked pot earlier定位到第十四段第二句：The tests were done on subjects with an average age of 22, and those who smoked pot e

29、arlier had problems remembering details, making decisions, and responding quickly when directions changed,可知，这些测试的研究对象是平均年龄为22岁的人，而且那些更早吸食大麻的人在记忆细节、做出决定以及当指示改变时迅速做出反应方面都存在问题。故填quick responses。此题需将respond转换为response。问题:10. Another study found that compared with children, adolescents may have a greate

30、r stress response in face of _.答案: peer rejection and public speaking解析 根据题干关键词compared with children定位到第十五段第一句：Another study found that peer rejection and public speaking create a greater chemical stress response in adolescents compared with children.可知，另一个研究发现和儿童相比，同龄人的排斥和公共场合的发言给青少年造成更大的化学压力反应。故填

31、peer rejection and public speaking。Part Listening ComprehensionSection ADirections: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be

32、 spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A) , B) , C) and D) , and decide which is the best answer. Then mark the corresponding letter on Answer Sheet 2 with a single line through the centre. (如需获取本MP3听力录音请搜索标题名) 1.A.He cant get a room at the hotel.B.He didnt get the type of room he wanted.C.He expect